Claude Sonnet 4.5 vs Command A
At a Glance
| Compare | Claude Sonnet 4.5Anthropic |  Command ACohere |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v2.5 | #36 of 4627.7 score · 2/3 sources · provisional · missing LiveBench · full-core range 18.5–51.8 | UnrankedNot in the 46-model eligible cohort |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $3.00Anthropic ↗ · Sep 3, 2026 | $2.50Cohere ↗ · Aug 29, 2026 |
| Output priceFrom · USD / 1M tokens | $15.00Anthropic ↗ · Sep 3, 2026 | $10.00Cohere ↗ · Aug 29, 2026 |
| Context windowMaximum documented tokens | 200K | 256K |
| Model facts checked | Sep 3, 2026View model evidence → | Aug 29, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
| Benchmark | Claude Sonnet 4.5 | Command A |
|---|---|---|
| Berkeley Function Calling Leaderboardv4-ede5081a24bc · overall_accuracy · leader | 24.9054% of row best · percent · Claude-Sonnet-4-5-20250929 (Prompt) | 46.49100% of row best · percent · Command A (FC) |
| LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · leader | 1,433.94100% of row best · rating · claude-sonnet-4-5-20250929-high-32k; 95% CI [1431.13982742, 1436.74901697]; votes 80980; rank 81 | 1,330.8793% of row best · rating · command-a-03-2025; 95% CI [1327.41159924, 1334.32729730]; votes 55449; rank 211 |
| ToneBench2026-09-11-10-task-4ef099199c9c · overall_score · unverified | 77.25100% of row best · points · Claude Sonnet 4.5 · 7,415 output tokens / case | 60.9079% of row best · points · Cohere Command A (03-2025) · 1,177 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above | 1 benchmark winNo overall winner | 1 benchmark winNo overall winner |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Side-by-Side Facts
| Field | Claude Sonnet 4.5 | Command A |
|---|---|---|
| Developer | Anthropic | Cohere |
| Family | Claude 4 | Command A |
| Model | Claude Sonnet 4.5 | Command A |
| Version | Claude Sonnet 4.5 | Command A |
| Lifecycle | active | active |
| Released | 2025-09-29 | Unknown |
| Knowledge cutoff | 2025-01-01 | 2024-06-01 |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
| Context window | 200K | 256K |
| Total parameters | Unknown | 111B |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Anthropic (Standard) | Cohere (Standard) |
| Capabilities | chat, generation, reasoning, structured_outputs, tools | agents, chat, citations, multilingual, rag, structured_outputs, tools |
Claude Sonnet 4.5 Capabilities
Command A Capabilities
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Primary Evidence
Sources and Freshness
Questions
Claude Sonnet 4.5 vs Command A FAQs
Is Claude Sonnet 4.5 or Command A better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Sonnet 4.5 and Command A, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Claude Sonnet 4.5 or Command A?+
Claude Sonnet 4.5 is $3.00 and Command A is $2.50 per million tokens, so Command A is cheaper on this metric. Claude Sonnet 4.5 is $15.00 and Command A is $10.00 per million tokens, so Command A is cheaper on this metric.
Which has a larger context window, Claude Sonnet 4.5 or Command A?+
Command A has the larger sourced context window. Claude Sonnet 4.5 supports 200K and Command A supports 256K.
Which performs better in benchmarks, Claude Sonnet 4.5 or Command A?+
There is no overall benchmark winner: The verified common benchmarks do not produce a majority winner.
Can Claude Sonnet 4.5 or Command A be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Claude Sonnet 4.5 is not marked open weight; Command A is not marked open weight.
Can Claude Sonnet 4.5 and Command A understand images?+
Claude Sonnet 4.5 is documented with image input; Command A is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Claude Sonnet 4.5 or Command A?+
Claude Sonnet 4.5 has the larger sourced maximum output: Claude Sonnet 4.5 supports 64K and Command A supports 8K output tokens.
Do Claude Sonnet 4.5 and Command A support reasoning and tool use?+
Claude Sonnet 4.5: reasoning, tool calling, and image input. Command A: tool calling. Feature support does not establish relative quality.
Which is available from more inference providers, Claude Sonnet 4.5 or Command A?+
Claude Sonnet 4.5 has 1 sourced provider route; Command A has 1, a tie.
Which offers better value, Claude Sonnet 4.5 or Command A?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.